they did add arms for GT1 cirrhotics in this large phase 2. not sure if it will be enough for the NDA http://www.clinicaltrials.gov/ct2/show/NCT01260350?term=sofosbuvir+cirrhosis&rank=6 this is the open phase 3 in this population, which may or may not be rate limiting for filing the NDA: http://www.clinicaltrials.gov/ct2/show/NCT01938430?term=sofosbuvir+cirrhosis&rank=5